Trail Running calendar near Builth Wells 2025-2026

The Westcountry Ultra 100 Miler on 9 to 10 May 2026 takes runners along scenic canal, river and coastal trails in Somerset on a challenging 100 mile route with about 9,500 ft of climbing. With a 32 hour cut off, cupless aid and pacers allow..

Experience rugged Exmoor trails from Martinhoe with 10K, half, marathon and ultra routes across moorland, cliffs, woods and river crossings. Fully marked course, timing and finishers medal make it a scenic challenge for all abilities.

Epona 100 is a bold 100 mile trail race from Abergavenny that links Offa's Dyke, the Cambrian Way and the Beacons Way across roughly 17,000 ft of ascent. Expect rugged trails, aid station support and a generous 50 hour time limit.

Tackle rugged trails and sweeping views in the Preseli Beast, a trio of off road fell races across the Preseli hills in West Wales visiting Foel Cwmcerwyn and wild valleys. Next event Saturday 9 May 2026, entries open December 2025.

The Apocalypse Ultramarathon on 9 May 2026 in Church Stretton offers four distinct loops totaling 50 miles and over 10,000 ft of climb. Run one to four loops in any order within a 16 hour limit while enjoying a rolling buffet at HQ.

Join a guided recce of the iconic Paddy Buckley route over the Hebogs, a 15 km leg with 1,580 m of ascent near Beddgelert in North Wales. Small groups led by experienced mountain leaders share route tips and local knowledge.

Join the Scorpion Run on 10 May 2026 at Symonds Yat Rock for a scenic 10k trail through the Forest of Dean and Wye Valley with riverside views. Expect gravel tracks and a tough final 1 km climb to the cafe finish with coffee and hot food.

Take on the Caradoc Classic, a scenic 3.5 miles fell race from Church Stretton climbing about 268 m. Part of the local Summer Series, this friendly community event includes junior races and on the day entries.

Ultra Trail Snowdonia by UTMB returns to Llanberis, North Wales as part of the UTMB World Series. Tackle epic 100 mile and 100 km routes or choose shorter 50 km and 25 km options across dramatic Snowdonia mountain trails.

Challenge yourself on the OTT Marathon and 10 Mile Race through the stunning Brecon Beacons on 16 May 2026. Both start and finish at Parkwood Dolygaer on scenic but testing looped routes with mountain climbs and great views.

Take on the True Grit Trail Marathon, a 26.2 mile mixed terrain challenge through Bedford Park and the Celtic Trail near Bridgend on 16 May 2026. Expect steep climbs, technical underfoot sections, five feed points, a finisher medal and just..

Tackle scenic rolling trails on Cannock Chase at the Merrell Cannock Chase Challenge, with 10 km, half marathon, marathon and a two person relay. Limited to 500 runners, the course rewards singletrack, ridge views and muddy fun.

Enjoy scenic trails around Ironbridge Gorge at The Shindig in the Shire, with challenging climbs and great views through Ironbridge and Jackfield. Choose 8, 16 or marathon distances then celebrate with pub food and finisher bling.

Join the Semington Slog on 16 May 2026 at St Georges School for 10k and 2k routes through the village and along the Kennet and Avon Canal towpath. Family friendly fun with marshalls, refreshments and a Slog Dog for every finisher.

Take on the Maverick Cotswolds Trail at Sudeley Castle and enjoy rolling trails, charming villages and historic views. Routes from 7 km to 50k, fully marked and timed with outposts and a finisher medal to celebrate your run.

Run the Shropshire Historic 50K from Telford Town Park to The Quarry Park in Shrewsbury on 16 May 2026, via Ironbridge, Buildwas Abbey and Wroxeter Roman City. Officially measured with chip timing, nutrition stations and free photos.

Take on the Grand Union Canal Race, a nonstop 145 mile ultra from Birmingham to Little Venice along scenic towpaths. Limited to 100 starters with a 45 hour limit, it welcomes supported and unsupported runners for a true canal challenge.

Enjoy a lively 6.5 km hill run on Mynydd Myfyr near Oswestry with mixed terrain and 150 m of climbing, supporting Trefonen Hill Walk Weekend. Entry on the day welcome; scenic views and prizes make it a rewarding spring challenge.

Take on the Rocky at 50 Run Wales, a relaxed 7 hour time challenge at scenic Dare Valley Country Park where you pick your distance from a 3 km minimum up to 50 km. Finishers earn themed medals and enjoy tasty aid station treats.

Run 40 mile along the Wales Coast Path from Porthcawl to Penarth, enjoying golden beaches, cliffs, Ogmore Castle and stepping stones. Staffed checkpoints, medals and no time limit make this a relaxed coastal challenge.